Radius vector

noun

Definitions

Noun
  1. 1
    Of a point, a vector going from the origin to that point; equivalently, the transpose of the point.
  2. 2
    a line connecting a point in space to the origin of a polar coordinate system wordnet
  3. 3
    An ideal straight line joining the center of an attracting body with that of a body describing an orbit around it, as a line joining the sun and a planet or comet, or a planet and its satellite.
  4. 4
    a line connecting a satellite to the center of the body around which it is rotating wordnet

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